what are the factors of 18
What are the first 5 multiples of 6
6,12,18,24,30
13
prime
what are factors? give an example
how many factors does this array show us?
8
1x24
2x12
3x8
4x6
what are the factors of 21
1,3,7,21
what are the first 4 multiples of 11
11,22,33,44
30
composite
what are multiples? give an example
multiples are products of a certain factor, glorified skip counting
10,20,30,40
3x6
what are the factors in the following equation?
2 x 20=20
2 and 20
these are multiples of what number?
7,14,21,28,35
7
2
prime
how many factors do prime numbers have? what are they
2 factors, 1 and the number itself
7x5
these are factors for which number? 1,2,4,5,10,20
20
what are the first 5 multiples of 8
8,16,24,32,40
44
composite
more than 2
what is the smallest prime number
2
what is the missing factor pair in this list for the number 54? 1,2,3,____,_____,18,27,54
6,9
Ms. Keefe gave exactly 4 pencils to each student in math club. Which of the following could be the total number of pencils she gave to the students in the math club?
a) 16
b) 21
c) 25
d) 10
a) 16
4 evenly goes into 16
1
neither
if we are arranging something (arranging flower beds, arranging carpet squares, arranging cars in paring lots) what are we really doing
finding factors/factor pairs
if I arranged my desks in 6 rows of 4, how many desks would I have in total? Draw the array on your white board
24 desks